diff --git a/lru_cache.py b/lru_cache.py
index 1523ff0..aba1c89 100644
--- a/lru_cache.py
+++ b/lru_cache.py
@@ -20,5 +20,8 @@ def main():
     print(cache.get(1))
     print(cache.get(0))
 
+    cache.put(0,1)
+    print(cache.get(0))
+
 if __name__ == "__main__":
     main()
\ No newline at end of file